#define _CRT_SECURE_NO_WARNINGS 1
#include<iostream>

using namespace std;

int main()
{
	double n;
	int x = 0;
	for (int i = 0; i < 6; i++)
	{
		cin >> n;
		if (n > 0)
		{
			x++;
		}
	}
	cout << x << " positive numbers";
	return 0;
}